. >> the mount rushmore memorial in the heart of south cota. there it is, the 60-foot head of george washington. three other units will follow -- jefferson, lincoln, and theodore roosevelt will be honored in an unveiling ceremony. >> when i look at the presidents, the first thing i think about is some individual achievements from each of those people, but really what they do for me, and what this whole memorial does for me is it reminds me about what they stood for. standing for freedom, for democracy, for the republic. i get to think about that every day. i get to share that with people every day, and meet people from all over the world who may not know who those presidents are, but they understand what freedom means. the original idea was by donor robinson a famed historian, and he had conceived of carving statues in the round, and he was going to carve all the way around and have people like lewis and clark, chief red cloud, sacagawea, fremont, and when he hired his artists, they when he hired his artists, they said you are not thinking big